new version, persistence -7 days

[talweg.git] / R / D_Neighbors.R

diff --git a/R/D_Neighbors.R b/R/D_Neighbors.R
deleted file mode 100644 (file)
index dba5f37..0000000
--- a/R/D_Neighbors.R
+++ /dev/null
@@ -1,21 +0,0 @@
-#' Obtain delta forecast by the Neighbors method
-#'
-#' @inheritParams getForecast
-#' @inheritParams getZeroDeltaForecast
-getNeighborsDeltaForecast = function(data, today, memory, horizon, shape_params, ...)
-{
-       first_day = max(1, today-memory)
-       filter = shape_params$indices >= first_day
-       indices = shape_params$indices[filter]
-       weights = shape_params$weights[filter]
-       if (any(is.na(weights) | is.na(indices)))
-               return (NA)
-
-       gaps = sapply(indices, function(i) {
-               data$getSerie(i+1)[1] - tail(data$getSerie(i), 1)
-       })
-
-       scal_product = weights * gaps
-       norm_fact = sum( weights[!is.na(scal_product)] )
-       sum(scal_product, na.rm=TRUE) / norm_fact
-}